102 MS-DRG: HEADACHES WITH MCC
MS-DRG 102 groups Medicare inpatient hospital stays for: HEADACHES WITH MCC. This is a medical MS-DRG. It falls under MDC 01 (Diseases and Disorders of the Nervous System).
Payment & Classification Data
Official CMS values from the FY2027 IPPS Final Rule Table 5.
| Major Diagnostic Category | MDC 01 — Diseases and Disorders of the Nervous System |
| DRG Type | Medical |
| Severity Level | MCC |
| Relative Weight | 1.1201 |
| Relative Weight (10% Cap Applied) | 1.1201 |
| Geometric Mean Length of Stay | 2.9 days |
| Arithmetic Mean Length of Stay | 4.1 days |
| Post-Acute Transfer DRG | No |
| Special Pay Transfer DRG | No |
Defining Codes (FY2027)
95 diagnosis codes can drive assignment here: F07.81, G43.001, G43.009, G43.011, G43.019, G43.101, G43.109, G43.111, G43.119, G43.401, G43.409, G43.411 and 83 more.
From the CMS MS-DRG Definitions Manual (Appendices B and E). Assignment also depends on severity, discharge status and the rest of the claim.
Contextual Map
Every relationship of 102 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Major Diagnostic Category
- MDC 01 — Diseases and Disorders of the Nervous System[MDC]— CMS MS-DRG Definitions Manual · FY2027
Defining diagnoses (95)
- F07.81 — Postconcussional syndrome[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.001 — Migraine without aura, not intractable, with status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.009 — Migraine without aura, not intractable, without status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.011 — Migraine without aura, intractable, with status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.019 — Migraine without aura, intractable, without status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.101 — Migraine with aura, not intractable, with status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.109 — Migraine with aura, not intractable, without status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- G43.111 — Migraine with aura, intractable, with status migrainosus[Grouper diagnosis]— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
- and 87 more
DRG family
- DRG 103 — HEADACHES WITHOUT MCC[DRG family]: “HEADACHES WITHOUT MCC — same CMS DRG family (102-103), split by severity.”— CMS MS-DRG Definitions Manual (DRG family 102-103) · FY2027
Read from: CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44. All data sources · How to read the labels